Patent US1274425A successfully refreshed from Google Patents.
US1274425A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1918-01-31
•
Granted: 1918-08-06
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Expires: 1938-01-31
Abstract
No abstract record available.
Inventors
- 👤 John F Kytlica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/561; Y10T408/5626; Y10T408/5627; Y10T408/56275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1921-08-05 | 1922-02-04 | 1922-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1925-08-05 | 1926-02-04 | 1926-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1929-08-05 | 1930-02-04 | 1930-08-06 | $7700.00 | Window Closed / Lapsed |